Thursday

October 23, 2014

October 23, 2014

Number of results: 39,986

**Physics**

n early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel, travels to a distant mirror, and returns to the wheel just in time to pass through the next slot in the wheel...
*July 27, 2010 by Mark*

**physics**

A car starts from rest and accelerates uniformly to a velocity of 8ft/s after traveling 250 ft. Find its acceleretaion. Help me with this pleeaase. Thank you.
*September 17, 2009 by Desiree*

**Physics- science**

An automobile with an initial speed of 4.82 m/s accelerates uniformly at the rate of 2.2 m/s2. Find the displacement of the car after 5.9 s. Answer in units of m
*September 13, 2011 by Destiny*

**physics**

An 855 kg dragster accelerates from rest to 120 km/h in 0.90 seconds. What is the average force exerted on the car? I used the regular f=ma which is f=855*(120-0/.9) which equalled 114000 but that answer is wrong. I don't know another formula am i supposed to add in the ...
*December 5, 2007 by katlin*

**physics**

In a cargo plane, the center of gravity must be between the front and rear landing gears in order to maintain a torque equilibrium. The front landing gears help counteract the torque provided by the rear landing gears in this case. A jet transport has a weight of 1.00 ✕...
*October 19, 2014 by Joseph*

**Trigonometric Functions**

A person is riding a ferris wheel that turns at a constant speeed. The lowest point of the ferris wheel is at ground level. Another person is standing at the side of the wheel on a platform 4m above the ground. She notes the times that the person on the wheel is at the same ...
*May 5, 2014 by REALLY URGENT*

**Physics**

A car starts from rest and accelerates unifomly at 3m/s^2. A second car starts from rest 6 seconds later at the same point and accelerates uniformly at 5m/s^2. How long does it take the second car to over take the first car?
*October 20, 2011 by Joe*

**physicssssss**

In a cargo plane, the center of gravity must be between the front and rear landing gears in order to maintain a torque equilibrium. The front landing gears help counteract the torque provided by the rear landing gears in this case. A jet transport has a weight of 1.00 106 N ...
*March 1, 2011 by hy*

**physics**

Two spherical shells have a common center. A -2.00 × 10-6 C charge is spread uniformly over the inner shell, which has a radius of 0.050 m. A +5.50 × 10-6 C charge is spread uniformly over the outer shell, which has a radius of 0.15 m.
*February 25, 2013 by sam*

**Pre-Calculous (Trig)**

The Singapore Flyer, currently the world's largest Ferris wheel, completes one rotation every 37 minutes.1 Measuring 150 m in diameter, the Flyer is set atop a terminal building, with a total height of 165 m from the ground to the top of the wheel. When viewed from Marina ...
*October 17, 2014 by Randy*

**Physics**

Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. The blue car accelerates uniformly at a rate of 3.6 m/s2 for 4.5 seconds. It then continues at a constant speed for 7.3 seconds, before applying the brakes such that the car...
*January 6, 2014 by Shreyas*

**physics**

The 17.9 cm diameter disk rotates on an axle through its center. F1=22.1 N, F2=32.4 N, F3=32.4 N, F4=22.1 N, and d=4.74 cm. What is the net torque about the axle?
*October 12, 2008 by Sara*

**physics**

The 17.9 cm diameter disk rotates on an axle through its center. F1=22.1 N, F2=32.4 N, F3=32.4 N, F4=22.1 N, and d=4.74 cm. What is the net torque about the axle?
*October 15, 2008 by Adam*

**Physics**

A wheel has a coonstant rotational acceleration of 3.0 rad/s^2. During a certain 4.0 s interval, it turns through an angle of 120 rad. Assuming that the wheel starts from rest, how long is it in motion at the start of the 4s interval. I just need help in getting started. I ...
*December 4, 2006 by laura*

**physics**

When a 19.9 kg wheel with an angular speed of 3.10 rad/s is disconnected from a motor, a 0.124 N · m frictional torque slows the wheel to a stop. If the wheel has radius of 0.71 m, how long will it take for the wheel to come to rest after being disconnected from the motor?
*November 18, 2011 by Alex*

**Physics**

A device consists of eight balls each of mass 0.4 kg attached to the ends of low-mass spokes of length 1.8 m, so the radius of rotation of the balls is 0.9 m. The device is mounted in the vertical plane. The axle is held up by supports that are not shown, and the wheel is ...
*April 14, 2013 by Emily*

**Physics**

A physics professor demonstrates the Doppler effect by tying a 600 Hz sound generator to a 1.0-m-long rope and whirling it around her head in a horizontal circle at 100 rpm. What are the highest and lowest frequencies heard by a student in the classroom? (Hint. Find the speed ...
*February 26, 2010 by Anonymous*

**Physics**

A typical laboratory centrifuge rotates at 4100 rpm. Test tubes have to be placed into a centrifuge very carefully because of the very large accelerations. (a) What is the acceleration at the end of a test tube that is 11 cm from the axis of rotation? dropped from a height of ...
*October 7, 2012 by Mark*

**physics help please!**

The motion of a piston in an auto engine is simple harmonic. The piston travels back and forth over a distance of 23 cm, and the piston has a mass of 1.7 kg. 2515 rpm 23 cm max speed of the piston 30.28757 m/s What is the maximum force acting on the piston when the engine is ...
*December 6, 2012 by michelle*

**math**

a wheel has a diameter of 31.8 inches. what is the circumfernce?
*August 26, 2010 by karlie*

**Algebra**

a nickle is approximately 20mm in diameter and a quarter is about 25 mm in diameter. if the nickle is enlarges to a diameter of 128mm, what would be the diameter of the quarter using the same scale?
*January 9, 2011 by Tate*

**calc**

1)Convert 1/20 of a circle to both degrees and radians. All I have is 9/180 is what I come up with. 2) what fraction of a circle does 3pi/4 represent? Is 1/4 correct? 3) a ferries wheel has cars which move at 1.5mph. If the diameter of the wheel is 600 ft, how long will it ...
*April 28, 2012 by ALISON*

**Algebra**

If a bicycle has a crankshaft of 40 teeth, and there are three rear sprockets attached to the rear wheel, 20 teeth, 16 teeth and 12 teeth. The diameter of the rear wheel is 60 cm. Which sprocket should be used to get the most distance in one paddle? What would the distance be?
*February 22, 2011 by Maggie*

**Algebra 2 **

If a bicycle has a crankshaft of 40 teeth, and there are three rear sprockets attached to the rear wheel, 20 teeth, 16 teeth and 12 teeth. The diameter of the rear wheel is 60 cm. Which sprocket should be used to get the most distance in one paddle? What would the distance be?
*February 22, 2011 by Maggie*

**Math**

If a bicycle has a crankshaft of 40 teeth, and there are three rear sprockets attached to the rear wheel, 20 teeth, 16 teeth and 12 teeth. The diameter of the rear wheel is 60 cm. Which sprocket should be used to get the most distance in one paddle? What would the distance be?
*February 22, 2011 by Anonymous*

**Physics**

1.Halley's comet moves about the sun in an elliptical orbit with its closest approach to the sun being 0.59 A.U. and its furthest distance being 35 A.U. [1 Astronomical Unit (A.U.) is the Earth-Sun distance.] If the comet's speed at closest approach is 54 km/s, what is its ...
*July 11, 2010 by Brianna*

**physics**

a car accelerates uniformly from rest to a speed of 21.8 km/h in 5.9 seconds.find the distance it travels during this time. answer in units of meters
*September 18, 2011 by jane *

**physics**

When the play button is pressed, a CD accelerates uniformly from rest to 495 rev/min in 3.1 revolutions. If the CD has a radius of 6 cm, and a mass of 17 g, what is the torque exerted on it?
*November 10, 2011 by marie*

**physics**

Mrs bautista accelerates her bicycle uniformly along a straight path from 10.5 m/s to rest in 5.2s. A. What is her acceleration? B. What is her displacement during this time interval?
*July 15, 2014 by Alyssa ponce*

**physics**

a bug is sitting on a long playing record going at a constant speed. Given: The record is turnning at a constatn reate of 33.3 revloutions per minute. The bug, whose mass is 1.4g, is sitting 12cm from the center of the record. Find; a. how long does it take teh bug to go ...
*March 19, 2009 by Go Hurricanes*

**math**

Matthew is riding a ferris wheel at a constant speed of 10km/h. The boarding height for the wheel is 1m, and the wheel has a radius of 7m. What is the equation for the function that describes Matthews height in the terms of time, assuming Matthew starts at the highest point on...
*December 8, 2011 by Melissa*

**Applied Machanics (Physics)**

A steel rod of 500g and 30 cm long spins at 300 RPM,the rod pivots around the center. a) Find angular momentum Moment of Inertia(I)=mk^2 I=0.5kgX(0.075m)^2 I=0.0028125kg*m^2 To find angular momentum: w=300rpmX2pi/60sec w=31.42 rads/s Ang. Momentum=Iw A.M.=0.0028125X31.42 A.M.=...
*May 3, 2009 by Henri*

**math**

the circumference of a wheel is one yard. If the wheel is pushed half a mile, how many times will the wheel go around (1 mi = 5280 ft)
*December 1, 2010 by Mike*

**Physics. PLEASE HELP!!**

Consider a wheel (solid disk) of radius 0.748 m, mass 16 kg and moment of iner- tia 1/2 MR^2 . The wheel rolls without slipping in a straight line in an uphill direction 27 above the horizontal. The wheel starts at angular speed 20.5882 rad/s but the rotation slows down as ...
*April 20, 2012 by Amber*

**Physics**

I've been stuck on this problem for a while. Im not sure where to even begin. A bike wheel is rotating with an angular velocity of 3.1 rev/s. If the coefficient of kinetic friction between the wheel and brakes is .87, then find the revolutions the wheel makes in coming to rest...
*April 21, 2011 by Ashley*

**Pre Calculus 12**

Modelling with sine/cosine A Ferris wheel has a diameter of 30m. The bottom of the wheel is 1.5m off the ground it takes 3.5min to make one complete revolution. a person gets on ferris wheel at its lowest point at time = 0. write an equation that represents persons height ...
*January 23, 2013 by Shreya*

**Physics**

a bicycle turned upside down whiles owner repairs a flat tire. A friend spins the other wheel, of radius R, and observed that drops of water fly off tangentially. She measures the height reached by drops vertically. A drop that breaks loose from the tire on one turn rises a ...
*October 19, 2010 by Anonymous*

**Physics Gravity**

A projected space station consists of a circular tube that will rotate about its center (like a tubular bicycle tire) as shown in the figure . The circle formed by the tube has a diameter of about 1.1-km g = R w^2 = 9,8 m/s^2 R = 550 m How do I convert the answer with this ...
*June 17, 2012 by Mike Joseph*

**Physics C**

A point charge of 5.5 µC is located at the center of a spherical shell of radius 30 cm, which has a charge −5.5 µC uniformly distributed on its surface. Given: ke = 8.98755 × 10^9 Find the electric ﬁeld for a point inside the shell a distance 12 cm from the center.
*February 1, 2012 by D*

**College Physics**

A Major League fastball is thrown at 92.1 mph and with a spin rate of 103 rpm. If the distance between the pitcher's point of release and the catcher's glove is exactly 61.4 ft, how many full turns does the ball make between release and catch? Neglect any effect of gravity or ...
*October 22, 2013 by Kimmy*

**Pre Calculus**

The diameter of a ferris wheel is 250 feet and θ is the central angle formed as Dave travels around the wheel. Dave starts his ride at Point 0, makes 4 complete revolutions and stops at Point 1, 45 degrees from Point 0. If his ride takes 5 minutes, how fast was he going ...
*March 7, 2011 by Roberta*

**math**

What's the circumference of a bicycle wheel with a 27 inch diameter?
*August 23, 2012 by maria*

**Physics**

A conical pendulum is formed by attaching a 0.200kg ball to a 1.00 m-long string, then allowing the mass to move in a horizontal circle of radius 40.0cm . The figure (Figure 1) shows that the string traces out the surface of a cone, hence the name. A) What is the tension in ...
*February 28, 2013 by Jenny*

**physics**

A bicycle wheel with a radius of 38 cm is given an angular acceleration of 2.61 rad/s2 by applying a force of 0.45 N on the edge of the wheel. What is the wheel's moment of inertia?
*January 10, 2013 by Anonymous*

**physics**

During 0.21 s, a wheel rotates through an angle of 2.10 rad as a point on the periphery of the wheel moves with a constant speed of 2.12 m/s. What is the radius of the wheel?
*October 15, 2013 by keb*

**Physics **

During 0.19 s, a wheel rotates through an angle of 2.42 rad as a point on the periphery of the wheel moves with a constant speed of 2.88 m/s. What is the radius of the wheel?
*October 6, 2014 by Ann*

**algebra**

If a stone is tossed from the of a 310 meter building, the height of the stone as a function of time is given by h(t)= 9.8t^2 -10t +310
*November 7, 2012 by destiny*

**MATH!!!**

To measure the length of a hiking trail, a worker uses a device with a 2-foot diameter wheel that counts the number of revolutions of wheel makes. If the device reads 1,100.5 revolutions at the end of the trail, how many miles long is the trail, to the nearest tenth of a mile...
*May 13, 2007 by megan*

**Physics**

An electric motor rotating a workshop grinding wheel at a rate of 95 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 2.40 rad/s2. (a) How long does it take for the grinding wheel to stop? (b) Through how many radians has the ...
*May 3, 2011 by Dani*

**physics**

An object with an initial velocity of 5 m/s accelerates uniformly for 15 s. (a) If the final velocity is 37 m/s, what is the acceleration?
*September 5, 2010 by bob *

**PHYSICS**

A train starts from rest and accelerates uniformly, until it has traveled 3 km and acquired a velocity of 20 m/s The train then moves at a constant velocity of 20 for 400 s. The train then slows down uniformly at 0.065 m/s2 until it is brought to a halt. Calculate the total ...
*May 25, 2010 by CHLOE*

**physics**

A coin is placed 20 cm from the axis of a rotating turntable of variable speed. This speed is gradually increased and the coin remains fixed on the horizontal turntable until a rate of 36 rpm is reached. At this point, the coin slides off. What is the coefficient of static ...
*July 26, 2010 by anan*

**Physics**

To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.60 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 9.60 m/s2. Find values for (a) rA, (b...
*October 6, 2012 by Redgy22*

**Math **

Jack decides to ride the ferris wheel. He board at 1m and is the last person on the ride. The diameter of the wheel is 16m and it takes 8sec for one complete revolution. Find the equation that represents Jack's height in relation to time. Then use the equation to detiremine ...
*May 23, 2010 by Sarah*

**physics**

The initial speed of a body is 2.14 m/s. What is its speed after 1.87 s if it accelerates uniformly at 4.31 m/s^2? Answer in units of m/s
*September 3, 2012 by selena*

**science**

A 1.92 × 103 kg car accelerates uniformly from rest to 12.4 m/s in 3.77 s. What is the work done on the car in this time interval?
*January 24, 2014 by Ti'Anna*

**science**

A 1.92 × 103 kg car accelerates uniformly from rest to 12.4 m/s in 3.77 s. What is the work done on the car in this time interval?
*January 24, 2014 by Ti'Anna*

**physics**

A 1,000 kg car accelerates uniformly to double its speed from 13.5 ms in 5.77 s. What net force acted on this car?
*April 3, 2011 by nofa*

**physics**

A 1.53×10 3 kg car accelerates uniformly from rest to 13.6 m/s in 2.44 s. What is the work done on the car in this time interval? Answer in units of J
*November 15, 2012 by Anonymous*

**physics**

A 1500.0 kg car accelerates uniformly to double its speed from 35.9 km/h in 4.74 s. What net force acted on this car?
*February 5, 2013 by Emily*

**Physics**

To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.600 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 5.10 m/s2. Find values for (a) rA, (b...
*October 7, 2011 by Mary*

**Physics**

Pilots can be tested for the stresses of flying high-speed jets in a whirling "human centrifuge," which takes 1.8 min to turn through 21 complete revolutions before reaching its final speed. 1. What is the angular acceleration?(rev/min^2) 2. What is the final angular speed in ...
*March 5, 2012 by Ben*

**Physics**

Here's the question again that I am trying to get help with because I can't figure it out and I got one answer, but I really couldn't understand it. Help please! A ferris wheel makes one rotation in 15 minutes. Find your car's location and the angle of rotation after: 3 mins...
*May 16, 2012 by Ann*

**physics **

A merry-go-round starts from rest and accelerates uniformly over 29.0 s to a final angular velocity of 5.35 rev/min. (a) Find the maximum linear speed of a person sitting on the merry-go-round 4.50 m from the center. (b) Find the person's maximum radial acceleration. (c) Find ...
*March 1, 2011 by Anonymous*

**physics**

A merry-go-round starts from rest and accelerates uniformly over 26.0 s to a final angular velocity of 5.50 rev/min. (a) Find the maximum linear speed of a person sitting on the merry-go-round 4.25 m from the center. (b) Find the person's maximum radial acceleration. (c) Find ...
*March 14, 2012 by John*

**Physics... rotation**

A constant force of 40 N is applied tangentially to the rim of a wheel with 20 cm radius. The wheel has a moment of inertia of 30 kg m2. Show that the angular acceleration of the wheel is 0.27 rad s-2
*November 13, 2008 by Kimora*

**physics**

A bicycle wheel of radius 0.4 m is spinning at a rate of 40 revolutions per minute. What is the centripetal acceleration of a point on the edge of the wheel? What is the period of the wheel's motion?
*September 28, 2012 by phil*

**physics**

Human blood contains plasma, platelets, and blood cells. To separate the plasma from other components, centrifugation is used. Effective centrifugation requires subjecting blood to an acceleration of 2000g or more. In this situation, assume that blood is contained in test ...
*August 31, 2011 by lindsey*

**Physics**

A coin is placed 11.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31 rpm is reached, at which point the coin slides off. What is the coefficient of ...
*October 27, 2009 by Anonymous*

**math**

A piece of a broken wheel is shown. It was taken to a machine shop to be replaced with a new “whole” wheel. Find the radius of the wheel if AC=10cm, BD= 3cm, and D is the midpoint of AC. Round to the nearest hundredth. (note: keep in mind this circle/wheel is not broken ...
*April 15, 2014 by Shelly*

**physics**

A projected space station consists of a circular tube that will rotate about its center (like a tubular bicycle tire) as shown in the figure . The circle formed by the tube has a diameter of about 1.1 km. What must be the rotation speed (revolutions per day) if an effect equal...
*September 22, 2012 by kim*

**Math, Geomertry **

A total solar eclipse occurs when the moon passes between the earth and the sun, and the darkest shadow cast by the moon, called the umbra, hits the surface of the earth. If the umbra does not hit the surface, as shown in the following figure, then a total solar eclipse is not...
*April 4, 2014 by Luis *

**physics**

A car accelerates uniformly from rest to a speed of 64.5 km/h (17.9 m/s) in 10 s. Find the distance the car travels during this time.
*February 16, 2010 by lindsey*

**Physics**

A 1760 kg car accelerates uniformly from rest to 8.8 m/s in 4.52 s. Find the work done on the car in this time. Answer in units of J.
*February 27, 2011 by Dave*

**physics**

a cat walking at 0.25 m/s sees a mouse and accelerates uniformly at 0.40 m/s (squared) for 3.0 s. what is the cat's displacement during this time?
*September 25, 2011 by h*

**physics**

A car accelerates uniformly from rest to a speed of 55 km/h (15 m/s) in 14 s. Find the distance the car travels during this time.
*October 8, 2011 by Girl*

**Physics**

A car accelerates uniformly from rest to a speed of 72.7 km/h (20.2m/s) in 11 second. the distance the car travels during this time.
*September 4, 2012 by helen*

**physics**

A 1.83×103 kg car accelerates uniformly from rest to 10.7 m/s in 3.44 s. a) What is the work done on the car in this time interval? Answer in units of J
*December 2, 2011 by ch*

**physics**

A 1.13 × 103 kg car accelerates uniformly from rest to 10.6 m/s in 3.22 s. What is the work done on the car in this time interval? Answer in units of J
*December 16, 2012 by Brett*

**Physics (Kinematics)**

A race car accelerates uniformly from 10 m/s to 50 m/s in 2 seconds. Determine the acceleration of the car and the distance traveled.
*August 13, 2013 by Ashley*

**physics**

an automobile with an initial speed of 43 cm/s (accelerates uniformly at the rate of 3m/s^2). what is the final speed and the displacement after 5 sec?
*September 21, 2014 by nicole*

**physics**

A car accelerates uniformly from rest to a speed of 73.6 mi/h in 7.68 s. Find the constant acceleration of the car. Answer in units of m/s 2
*October 21, 2014 by tom*

**astronomy**

The great galaxy in Andromeda has an angular diameter along its long axis of about 5 degree. Its distance is about 2.2 millons light years. What is its linear diameter.
*March 27, 2010 by b*

**Astronomy**

The great galaxy in Andromeda has an angular diameter along its long axis of about 5 degree. Its distance is about 2.2 million light years. What is its linear diameter?
*March 29, 2010 by BB*

**Physics**

A very large, thin, flat plate of aluminum of area A has a total charge Q uniformly distributed over its surfaces. Assuming the same charge is spread uniformly over the upper surface of an otherwise identical glass plate, compare the electric fields just above the center of ...
*January 23, 2011 by Alissa*

**intro to computers**

1.You want to purchase a new hard drive for your workstation and are deciding between an HDD and SDD drive. Which of the selections below is NOT an advantage that SDD has over HDD? A. They don’t get fragmented. B. They create less noise. C. They create less heat. D. They have ...
*May 24, 2014 by anon*

**Trig**

Find one angle with positive measure and one angle with negative measure coterminal with -310 -310+360=50 -310-360=-670 so 50,-670
*March 6, 2008 by Jon*

**math**

a paintball is hot at a wheel that has a radius of 40 cm. it hits the very bottom of the wheel next to the road while the car is stopped at the red light. as the light turns green, the wheel rolls, and so does the paint. if it takes 3 seconds for the wheel to make one full ...
*July 25, 2011 by ..*

**math**

a paintball is hot at a wheel that has a radius of 40 cm. it hits the very bottom of the wheel next to the road while the car is stopped at the red light. as the light turns green, the wheel rolls, and so does the paint. if it takes 3 seconds for the wheel to make one full ...
*July 25, 2011 by ...*

**physics**

A wheel of mass 0.52kg and radius 46cm is spinning with an angular velocity of 23rad/s. You exert a force F on the wheel, the wheel comes to a stop after 1/4 turn. What is F.
*July 22, 2010 by meldoy*

**math **

If a bicycle wheel has traveled f/π feet after n complete revolutions, what is the length in feet of the diameter of the bicycle wheel? A. f/nπ^2 B. π^2/fn C. nf/π^2 D. nf/π^2 E. f/n
*August 15, 2014 by Adam*

**Trigonometry - LONESTAR**

The figure below is a model of a Ferris wheel. The diameter of the wheel is 191 feet, and one complete revolution takes 15 minutes. The bottom of the wheel is 11 feet above the ground. Complete the table below. (Round your answers to two decimal places.) t H 0 min 11 ft 1.875 ...
*March 3, 2014 by Angels*

**Physics**

While riding a Ferris wheel, the rider determines that the Ferris wheel makes 1.5 revolutions per minute. a) knowing that the diameter of the Ferris wheel is 100 ft, determine the angular speed (in rad/s) of the Ferris wheel. b) Determine the linear speed (in ft/s) of the ...
*October 31, 2011 by Adam*

**Physics**

A car accelerates uniformly in a straight line from rest at the rate of 2.7 m/s 2 . What is the speed of the car after it has traveled 58 m? Answer in m/s
*September 18, 2011 by Hayley*

**Physics**

A car starts from rest and accelerates uniformly over a time of 5.21 s for a distance of 110 m. Determine the acceleratin of the car
*September 16, 2012 by Latryce*

**science**

a car eneters a freeway with a speed of 6.7 m\s and accelerates uniformly for 3.0 I 3.8 min . how fas the car moving after this time?
*September 22, 2013 by Monique*

**physics**

A car accelerates uniformly from rest to a speed of 73.6 mi/h in 7.68 s. How do i find the distance the car traveled during this time, in units of m
*October 22, 2014 by tom*

**Physics**

A large grinding wheel in the shape of a solid cylinder of radius 0.330 m is free to rotate on a frictionless, vertical axle. A constant tangential force of 300 N applied to its edge causes the wheel to have an angular acceleration of 1.072 rad/s2. (a) What is the moment of ...
*December 5, 2012 by anonymous*

**Trigonometry**

Suppose that after you are loaded into a FerrisWheal car, the wheel beguins turning at 3 revs/min.The wheal had a diameter of 20m and the bottom of the seat of the wheel is 2m above the ground. Express the hight of the seat above the ground as a function of time (t seconds), ...
*December 4, 2008 by Myra*

**Physics-circular force**

A coin is placed 11.0 cm from the axis of a rotating turntable of variable speed. When the speed of the turntable is slowly increased, the coin remains fixed on the turntable until a rate of 31 rpm is reached, at which point the coin slides off. What is the coefficient of ...
*October 28, 2009 by Anonymous*

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